- Written by Robbi Hoy
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Helpful Tip from the Garden Geeks: When you cut up your iris rhizome, look for "Y" shaped roots - two young nubs connected to an older and larger section of the tuber. Each small rhizome usually has a fan of leaves. This is the best root form to find, since it will produce more blooms the first year. Plant a triangular grouping with the fans pointing outside the triangle and the roots pointing in.